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-- Get all channel status and log stopped channels in Iguana Log
function main()
   -- 1) Retrieve status
   local status = iguana.status()

   -- 2) Parsed status and count all channels
   local parsedStatus = xml.parse{data=status}
   local iguanaParsedStatus = parsedStatus.IguanaStatus
   local count = iguanaParsedStatus:childCount("Channel")

   -- 3) Find all the stopped channels
   local stopped = {}
   for i = 1, count do
      if iguanaParsedStatus:child("Channel", i).Status:nodeValue() == 'off' then
         table.insert(stopped, iguanaParsedStatus:child("Channel", i).Name:nodeValue())
      end
   end
   
   -- 4) Create a stopped channel warningswarning in Iguana loglogs
   if (#stopped > 0) then
      local warningHeader = "The following channels are off:\n\n"
      local warningBody = table.concat(stopped, "\n")
      iguana.logWarning(warningHeader .. warningBody)
   end
end